Paul Walker's death yesterday has sent shockwaves through the showbiz world, but none more so than from his Hollywood counterparts who have since been sending out their condolences at learning the sad news.

The Fast and Furious actor died on Saturday in a tragic car crash in Los Angeles after a Porsche driven by his friend struck a lamp post, causing it to burst into a fireball. The harrowing incident was captured by an eyewitness, who filmed the devastating scenes on a camera phone.

Best buddies: Vin Diesel and Paul Walker pose for a photo (Instagram/Vin Diesel)

Completely heartbroken by Paul's death, his Fast and Furious co-star Vin Diesel posted a brotherly photo of himself and the late actor, expressing his sadness at the loss.

"Brother I will miss you very much," the 46-year-old actor wrote, adding: "I am absolutely speechless. Heaven has gained a new Angel. Rest in Peace."

Tyrese shared the extent of his sadness in a heartfelt message on Facebook (FayesVision/WENN)

Tyrese Gibson, who also starred in many of the Fast and Furious films, wrote a touching message to his former co-star on his Facebook page, admitting that he was struggling to come to terms with the news.

"My heart is hurting so bad," he wrote. "No one can make me believe this is real. Father God I pray that you send clarity over this cause I just don’t understand. My heart hurts it’s broken no one can convince me that this is real…. Prayer warriors please pray real hard for his only child, his daughter and family… #HeartOfAnAngel13YrsFamilyForever."